SP-300-Pro Portable Professional Grade Fine Coffee Machine can achieve a concentration of 6~8% as standard espresso should be. STARESSO boutique manual espresso machine uses segmented hydraulic extraction, which can generate 15-20Bar pressure internally, allowing users to easily achieve golden extraction, The oil is rich and clearly visible. Easy and effortless The STARESSO manual espresso machine is ergonomically designed with an easy and effortless top pressure valve. You can extract coffee easily by pressing it down with the top of your palm with the strength of your body. The internal extraction pressure can reach 15-20 bar, and users can adjust the pressure level according to their needs. The aluminum bracket ensures that the coffee machine is placed smoothly on the table during operation. High-quality materials All metal parts of the STARESSO portable espresso machine are made of food-grade 304 stainless steel. The surface of the pump body is coated with aircraft-grade nano-ceramic, which triples the durability of the pump body, making it very sturdy and durable. The surface of the coffee maker is made of food-grade silicone material, which is safe and non-toxic. As a professional-grade boutique coffee machine, the staresso SP-300 is perfect in every way, making quality espresso that is comparable to any expensive high-end machine, rich, syrupy, and consistent in production. It is your best choice for enjoying delicious espresso quickly and efficiently anytime, anywhere. Only takes a minute and the coffee is ready for you.